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Finding the Fourth Proportional to 224,069.55, 309,211.97 and 122,095.89

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Solution

The fourth proportional to 224,069.55, 309,211.97 and 122,095.89 is: 168,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,069.55 : 309,211.97 = 122,095.89 : x
  2. Step 2: Convert to fraction form
    224,069.55/309,211.97 = 122,095.89/x
  3. Step 3: Cross multiply
    224,069.55x = 309,211.97 × 122,095.89
  4. Step 4: Simplify right side
    224,069.55x = 37,753,510,065.32
  5. Step 5: Solve for x
    x = 37,753,510,065.32/224,069.55
  6. Step 6: Final answer
    x = 168,490.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.